19,876 Topics
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| | hi there, i have a project which is build in visaul studio 2008 with the database used the mdf file. how can i keep the mdf file in a local network so that everbody can access if from the application. how can i do this. i want the mdf file … |
| | so I am in the process of creating a lc-3 compiler that is written in C and I am stuck on how to convert the BR command into C language, the assignment asks that i get a file and then spit it out in zeros and ones , but with …  |
| | Hi Say I want to write a header file as an exercise. It will contain a bunch of functions and some constants. Q1. I noticed that the standard header files only contain the function prototypes. a> Where are the actual functions? b> How do I write a header file such … |
| | [CODE]#include <stdio.h> void getInput(); void calculate(int num1, int num2, int num3, float num4); void printTable(int num1, int num2, int num3, float num4,int calc1, int calc2, int calc3, int calc4, double calc5, double calc6, float calc7, float calc8); int main (void) { int num1, num2, num3; float num4; int calc1, calc2, … |
| | Hello, I'm attempting to learn C through the K&R book and am having some trouble with Exercise 1-13 at the moment. I'm just attempting to do a simple horizontal graph and can't figure out why this isn't working correctly. It seems to be ignoring my first "if" statement and just … |
| | I want to get some direction which will help me solve insertion sort problem  |
| | [CODE]#include"stdio.h" #include"conio.h" #include"alloc.h" struct node { int age; char name[25]; struct node * next; }; void add_end(struct node **q); void display(struct node *); void main() { struct node *p; p=NULL; add_end(&p); //display(p); getch(); return; } add_end(struct node **q) { struct node *temp,*r; temp=*q; if(*q==NULL) { temp=(struct node *)malloc(sizeof(struct node)); printf("\nEnter … |
| | I have the following code. It's a memcmp implementation for the Renesas R5F Embedded Chip family and I'm trying to test it. [code] #include <stdio.h> #include <time.h> #include <stdlib.h> #include <math.h> #include <stdbool.h> #include <stdlib.h> #include <assert.h> typedef char SInt8; typedef unsigned char UInt8; SInt8 one_net_memcmp(const void *vp1, const void … |
| | [code] #include <stdio.h> #if 1 //! Set Pin string const char* const ONCLI_SET_PIN_CMD_STR = "set pin"; #endif const char* const SINGLE_APP_STRINGS[] = { ONCLI_SET_PIN_CMD_STR }; int main() { printf("%s\n", SINGLE_APP_STRINGS[0]); getchar(); // pause return 0; } [/code] Line 12 Error message... [code=text] 12|error: initializer element is not constant 12|error: (near … |
| | hello ! i have a program id like to code , and it uses from 3 upto 15 members of a structure , id like to ask , [COLOR="red"][I]1,[/I][/COLOR] is there a way to not define all members of a structure at the start but add members as needed ? …  |
| | Hello Everybody. I'm with a classic problem in C preprocessor concatenation. This is the situation: [CODE] #define BAUDRATE(VAL) (B ## VAL) //... const uint32_t BAUDRATE_VAL[] = {1200, 2400, 9600}; //... br = BAUDRATE(BAUDRATE_VAL[i]); //... [/CODE] This code, result in the error: BBAUDRATE_VAL undeclared I need that the result of concatenation … |
| | im trying out using malloc in array of characters by reading each word from that text file and putting it in a array so the array size is exact my problem is when i run the program it makes segmentation fault im not sure where the problem is and if … |
 | Hello im makin a program in C tht will query my database when i use the following code i get an error "segmentation fault" [code] //retreive configuration items from the mysql database mysql_query(conn, "SELECT callcost FROM imds.testset Where callcost BeTWEEN 900 and 1000;"); results = mysql_store_result(conn);[/code] even when i use …  |
| | okay so i have to make a windows form app in c# for a car catalog company as an assignment for school. i was about half way done, and i simply dont have time. i could email you my half done app if you would like. i have all the … |
 | Hello there, I recently decide to learn and code Windows Services, After I learned the bare basic I thought I would make a program that logs the users program usage every 60 seconds I have coded the same thing without putting it in a service but apparently Services work differently … |
 | Hi ,programmers! Please tell me why it's possible to use such condition - [CODE][U]if (!fork ( ))[/U] return 1;[/CODE] as I know the fork() returns pid_t-type but at the same time "if" needs boolean.. big thanks in advance) |
| | Hi, I was wondering what libraries there are out there to do some simple sound generation. For example sine waves, square waves etc.. I'm on Linux, so no Microsoft stuff please. |
| | I have a class that looks like this [CODE] //the mem_data class======================================// class mem_data { public: mem_data(int,int,std::string); ~mem_data(); private: std::vector<reader> mem_store; int complete; friend class model_base; }; [/CODE] Now, I would like to let the class model_base access mem_store My main code will contain the following: [CODE] mem_data test_data(20110601,10,"test_file.csv"); model_base … |
| | In the below snippet,Rewind() wraps up the file but still the no of records exceed the MAX value set. if(no_of_msg_records >= MAX) { rewind(fp_msg); no_of_msg_records=0; } ie the no_of_msg_records in the file exceeds MAX value. |
| | Ok heres my problem the code is working fine but i cant read extended ascii characters i got a tip that the problem is that extended ascii characters are 16 bits not like the original 8bits per character i dont know where to start can you gets give me tips … |
| | [CODE]#include<stdio.h> #define UN_IN -1 #define COL 10001 #define ROW 5000 int main() { int r,c; long int a[ROW][COL]; for (r=0;r<ROW;r++) for(c=0;c<COL;c++) { a[r][c]=UN_IN; // b[r][c]=UN_IN; } printf("%d %d", a[34][56],a[12][67]); getch(); return 0; } [/CODE] I was solving a problem which required large input. Am using a two dimension array but … |
| | I have a custom date class that is constructed in the following way: [CODE] date date_file("dates.txt"); [/CODE] I want to put this object into a new class as a private member, e.g [CODE] //the mem_data class======================================// class mem_data { public: mem_data(int,int,std::string); ~mem_data(); private: std::vector<reader> mem_store; int complete; date date_file; }; …  |
| | Hey Guys! Below is my code of Battleship game. I keep getting "Process terminated due to StackOverflowException." error. It keeps pointing to [CODE] char[,] Grid = new char[10, 10]; [/CODE] and i have no idea what it's asking to fix. Please help me. Thanks! [CODE] using System; using System.Collections.Generic; using … |
| | [CODE]int i, j; for(i=2;i<1000;i++){ for(j=2;i/j;j++){ if(!(i%j)) break; if(j>(i/j)) cout<<i<<" is prime\n"; } }[/CODE] Can somebody experienced clear me how this program actually finds prime numbers... The line with the last if condition confuses me most -> j > (i/j) |
| | It is possible read/use data from DDE serve. This function is possible in Micrsoft Excel. |
| | Hi, I am new in C, trying to create a simple C file, that assign a value for a struct member with the type of string. I can't figure out why it said error : string.c:20: error: expected expression before ‘{’ token, but I don't find any syntax error.. [CODE] … |
| | I''ve got a struct like this: struct Node { int n; Node *left; Node *right; } I build up a binary tree from this struct. Now, how can i save the binary tree onto the hard disk, and how can i rebuild it from the hard disk ? |
| | [CODE]#include<stdio.h> #include<conio.h> #include<stdlib.h> struct a{ char *c; int b; }t; int main() { scanf("%s %d",t.c,&t.b); printf("%s",t.c); getch(); return 0 ; }[/CODE] I guess there is some problem in receiving input (more precisely in t.c part). Further assistance will be appreciated. |
| | i have a problem related to the c language. [CODE]void main() { int marks; clrscr(); printf("enter the marks of the student:"); scanf("%d",marks); if(marks>=35) { printf("student is pass:"); } else { printf("student is fail:"); } getch(); }[/CODE] but when i run this program, there is no error in the program but … |
| | hi programmers!) Please help me understand this - as I understand from practice - the getting SIGALRM by process is ends the process - but I can't find the explanation of this guess. for exp. - I have code - [CODE]int main(void) { /* Установить будильник */ sleep(1); if((alarm(5)) > … |
| | I've been scratching my head for quite some time with the following compilation error and I was hoping somebody could shed some light... I have the following in my header (.h) file: [CODE] //the mem_data class======================================// class mem_data : public reader, public date { //multiple inheritance public: mem_data(int,int,std::string); ~mem_data(); private: …  |
| | [CODE] struct node{ int value; struct node *next; }; void rearrange(struct node *list) {struct node *p,*q; int temp; if(!list || !list->next)return p=list;q=list->next; if(q) { temp=p->value; p->value=q->value; q->value=temp; q=p?p->next:0; } } }[/CODE] list is containing the integers 1,2,3,4,5,6,7 then the output is? also what's the meaning of p=list(as per me its …  |
| | Hi... At some point I would like to create an operating system. I am quite familiar with C, and I know some basic assembly. Can anyone give me ideas of applications to create to learn more about OS Design. I would buy a book, but I don't have an extraordinary … |
| | Although I am very good with html, css and a little at php,javascript and mysql, i still can't manage to get interested or start learning basic programming. To be honest, i barely know anything about c or c++ since i skipped basic programming and proceeded to learn right away php,javascript … |
| | [CODE]// this is the grading sorting program for part one #include <stdio.h> int main(int argc, char **argv) { FILE *fp; // file pointer, points to the file char file_name[32]; // store file name int ID[50]; int grade[50]; int a,b; // index variables int student_id, grades; // opening file by asking … |
| | [CODE]#include<iostream.h> #include<stdio.h> #include<string.h> void remplir(FILE *f) { char c; char fichier[20]; printf("entrer les nom du fichier:"); scanf("%s",fichier); f=fopen(fichier,"w"); if(f==NULL) printf("erreur"); else while((c=getchar())!='.') { //putc(c,f); fprintf(f,"%c",c); } } int comparer(FILE *f,FILE *fp) { char l1[10],l2[10]; printf("OOO"); while((!feof(f)) && (!feof(fp))) { fgets(l1,2,f); fgets(l2,2,fp); printf("OOO"); if(strcmp(l1,l2)) { printf("%s",l1); printf("%s",l2); return 0; } } … |
| | Hey there, I was wondering if anyone had the time to look over my code and give me some tips or tweaks to help me get it running. The program is all about inheritance, where i have the derived class using the base class clockType (with using strings) to add … |
| | I have just finished my tic tac toe game but wanted to make it look nicer so i added some colors at the winning scene... [CODE] cout << "congratulations player 1!" << endl; cout << "[W][I][N]" << endl; cout << "[W][I][N]" << endl; // checking if the game has been … |
| | Hi everybody, I'm trying to write a program to simulate a solitaire game that my math teacher showed me so that I can eventually get an approximate probability of winning. Although I eventually plan to simulate the game many times, I'm only going through it once at this point with … |
| | my professor gave a .o file and we are supposed to write a function that links to his file in ssh. his code is struct grades { int lab; int prog; int mid; int final; char name[10]; } void fillArray(grades a[ ], int & num); these two are given and … |
| | I am new to c++ and i am supposed to do a test case using my stub with hand calculated mean & standard deviation of number of students that are saved in the .o file in linux. my code is [code] #include <iostream> #include <fstream> #include <cmath> using namespace std; … |
| | Hi guys, I have a windows form frm1 that calls another form frm2 by the following code: [CODE] this.hide(); frm2 new_frm2 = new frm2(); new_frm2.ShowDialog(); this.Close(); [/CODE] it takes about 5 sec for the frm2 to show so I'd like to use waitcursor. I found that the waitcursor can only … |
| | Here my question I need a decoder for binary codes from a text file but the problem is when I put a space in the text file tpos values crash I know what the problem is the while(fgets(buf, 8, fb) != NULL) because some binary codes are only 6 characters … |
| | Hi all, I am quite a beginner to C# and ASP.NET development so if you can help out it would be really appreciated: I wish to build a small library of custom functions to be used throughout the entire website. For example say I need to build 5 functions which … |
| | Hi guys!) There's a peace of code and I can't understand - what's wrong in it - [CODE]#include <unistd.h> #include <stdio.h> #include <sys/types.h> #include <sys/wait.h> int main (void) { int status; pid_t pid; if (!fork ( )) return 1; pid = wait (&status); if (pid == -1) perror ("wait"); printf … |
| | Hi everyone ... I've a problem with fill color. I just want to fill a part of it. For ex.: if we have a face with eyes and red mouth, i wanna to color each part of the face when the user click down the mouse. Thanks for your advice.... |
| | I am unable to solve the errors found in this program. Can someone be kind to help me solve it? Thanking in advance. :) [CODE]#include "stdafx.h" #include <iostream> using namespace::std; class detail { protected: char address[50]; int age; char name[25]; public: int a; int b; int c; void getdetail(void) { …  |
| | Trying to take the output and put it in a format that looks like a MAC address separated by colon looking for 0800 type field and 0806 then print the data in a useable mac address format. Any help would be appreciated. [CODE]#define RETSIGTYPE void #include <sys/types.h> #include <sys/time.h> #include …  |
| | hi i am creating a login page in C#.net windows application and i have a remember me checkbox in the login interface. can some one give me a tutorial to code the remember me check box in the C# windows application thank you  |
| | Hi, help please! I have a struct containing an array of pointers to structs containing Binary Search Trees with nodes containing structs. ... <*sigh*> I hate C soo much... put work wants it to be in C. I can set the struct of BST's just fine, and keep it around, … |
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